Question

cancer starts as one cell that replicates uncontrollably. eventually those cancer cells may become a tumor. which statement best supports these facts? cells are the basic unit of life. cells come from pre - existing cells. cells make up all living organisms. cells differentiate into specific types of cells.

Explanation:

Cancer starts from one cell and replicates. The idea that cells come from pre - existing cells supports this as the cancer cells are replicating from the initial cancer cell. The other statements are general cell facts but not as directly relevant to the uncontrolled replication of cancer cells starting from one cell.

Answer:

Cells come from pre - existing cells.